<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
		*{
			margin:0px;
			padding:0px;
		}
		html,body{
			height: 100%;
		}

		div.bg{
			height: 100%;
			background-image: url('./images/background.jpg');
			animation-name: bg;
			animation-duration: 30s;
			animation-iteration-count: infinite;
			animation-timing-function: linear;
		}
		div.content{
			width: 1000px;
			height: 180px;
			position: absolute;
			left: 200px;
			bottom: 100px;
		}
		div.content li{
			list-style: none;
			width: 200px;
			height: 180px;
			margin-right: 50px;
			float: left;
			overflow: hidden;
		}
		div.content li div{
			width: 1600px;
			height: 180px;

			animation-name: roles;
			animation-duration: 1s;
			animation-timing-function: steps(8);
			animation-iteration-count: infinite;
		}

		div.content li div img{
			width: 1600px;
			height: 180px;
		}

		@keyframes roles{
			from{
				margin-left: 0px;
			}

			to{
				margin-left: -1600px;
			}
		}


		@keyframes bg{
			from{
				margin-left: -2000px;
			}
			to{
				margin-left: 0px;
			}
		}

	</style>
</head>
<body>
	<div class="bg"></div>
	<div class="content">
		<ul>
			<li>
				<div>
					<img src="./images/wk.png" alt="">
				</div>
			</li>
			<li>
				<div>
					<img src="./images/bj.png" alt="">
				</div>
			</li>
			<li>
				<div>
					<img src="./images/tc.png" alt="">
				</div>
			</li>
			<li>
				<div>
					<img src="./images/sc.png" alt="">
				</div>
			</li>
		</ul>
	</div>
</body>
</html>








